18th Oct, 2019 12:00
Fine Photographica & Instruments of Science & Medicine
A Rare Mackenzie-Lewis Polygraph (Lie Detector)
1914 Model, this example by The Cambridge & Paul Instrument Company, No L 3776, dating between 1920 and 1924, for recording arterial and venous pulses, clockwork driven paper recording rolls, recording capsules, pens and ink bottle, instructions pasted to lid, in fitted mahogany case measuring 22cm long.
1914 Model, this example by The Cambridge & Paul Instrument Company, No L 3776, dating between 1920 and 1924, for recording arterial and venous pulses, clockwork driven paper recording rolls, recording capsules, pens and ink bottle, instructions pasted to lid, in fitted mahogany case measuring 22cm long.
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Auction: Fine Photographica & Instruments of Science & Medicine, 18th Oct, 2019
